Atoms of nonmetallic elements form covalent bonds, but they can also form ionic bonds. How is this possible?
A) This happens when one of the bonded nonmetallic elements has a strong electronegativity.
B) It happens when one of the nonmetallic elements loses an electron to become a positive ion.
C) An ionic bond results when a nonmetallic elements loses an electron to a metallic element.
D) An ionic bond results when a nonmetallic elements gains an electron from a metallic element.
Answer: D
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